Crispy Toast Egg Sandwich with Caramelized Onions and Gruyère
Ingredients
- 1 mediumyellow onion
- 2 tablespoonbutter
- ·salt
- ·black pepper
- 2 slicebread (sturdy white or sourdough)
- 2 largeeggs
- 2 ounceGruyère cheese
- 2 sprigfresh thyme (or 1/4 teaspoon dried)
Method
- 01
Melt 1 tablespoon butter in a skillet over medium heat. Add the sliced onion, a pinch of salt, and a grind of black pepper. Cook, stirring occasionally, for 8–10 minutes until softened and golden at the edges.
- 02
Toast the bread slices until golden and crispy.
- 03
Push the onions to the side of the skillet and add the remaining 1 tablespoon butter. Crack both eggs into the pan, keeping the yolks intact. Cook for 3–4 minutes until the whites are set but the yolks still jiggle slightly. Season with a tiny pinch of salt and pepper.
- 04
Place one slice of toasted bread on a plate. Layer half the Gruyère, then one egg with some caramelized onions, then the remaining cheese. Top with the second slice of toast.
- 05
Serve immediately, garnished with a sprig of fresh thyme. The warm egg yolk will soak into the toast as you eat.
Spice Tips
For a savory edge, add a small pinch of smoked paprika to the caramelized onions. A dash of hot sauce or a grinding of fresh nutmeg on the egg whites adds subtle depth. If you like heat, a few red pepper flakes scattered over the yolk works beautifully.